Separable fastener and attaching means for the same



.Nlay 23,11933. I N. HAYLDEN 1,910,951

SEPARABLE FASTENER AND ATTAC'HING MEANS FOR THE SAME Filed sept.v 29.1931 v Inveaazav:

Patented` May 23, l933h `showin UNITED 1 STATES OFFICE LESTER N. HAYDEN,`orfA 'aLINecmiv, `Massadifusa'rrs."Asseivoit roMuNITED-cnniz FAsrElmnconromi'rromor GAMBeinen, MASSACHUSETTS, `1A"con`1`=`o`15t1rrION or" oMASSAGI-IUSETTS Y t SEPARABLE `Fas'rmma AND Arracrrme MiaANsroR `'rmiApplication mea september 29, i931. .serial` `11115; 565,742.

.My invention` aims to provide improvements in separable fasteners andrelates more particularly to means used in connection with theattachment of thefastener to a supporting structure. Y

\ Referring to thedrawing Whichillustrates a preferred embodiment of myinvention Figure 1 is a plan View of a snap fastener socket installationas viewed from the socket side thereof;

Fig. 2 is a section taken on the line 2 of Figure 1;

Fig. 3 is a section through the socket member prior to attachment to itssupporting structure; and t Fig. 4 is a section through the installationthe manner of attachment of the parts t ereof. t

While I have illustrated in the drawing. a preferred embodiment of myinvention relating to snap fastener sockets and installations thereof,it should be understoodfthat i my invention is also adapted for use inconnection with snap fastener stud members,

`buttons and the like.

t In the particular illustration of my invention disclosed bythe drawingrI have shown a separable fastener member l adaptedto be attached to aflexible carrying medium 2 by means of anattaching member 3 Which is`illustrated as a hollow sheet metal tack.

`The fastener member l, prior to attachment to the support 2 (Fig. 3),has a support-engaging 'ace 4`the central portion of which is providedwith an annular rib or ribs 5 surrounding a tack-piercing portion ,6.The tack-piercing portion 6 is pressed or i `otherwise suitabl 4formedto present a `por-` tion which is re atively thin especially at thecenter thereof with respect to the thickness of the remainder of thefabric-engagt ing portion 4. It uwill be seen, therefore,

that the rib or ribs 5 provide reinforcingV means adjacent tothetack-piercing portion 6 to prevent distortion of the portion 4 When atack is forced through the relatively thin portion 6, as illustrated inFig.` 4.

, The tack s is provided with a Shank? having al relatively sharp point8 so that when it is forced through the carrying meeasily,.thethinportion. 6 provided in the fastener `member l." Inthisiconnectionwitbest illustrated inFig. 2.` Thus thereinforcing-meansi not only prevents distortion oftheportion 4` duringthe piercing operation of .theportion `6 but also back-supports theshank-Tof thetack `to provide for a neat as Well as a rigid clampingofthe partsll and" to the carryingmedium `2., It should be notedalsothat the reinforcing` means strengthens the structure to preventtheup-` setportion}`(Fig. 2) of the tack from pulling away from thefastener member When the partsaresubjected to stresses. l

My invention is; particularlyl desirable `because the` tack` will piercethe portion 6 readily .and i atthe same timethe portion 6;`

will `engage, the g shank of the` tack closely during the attaching.operation 4and prevent the material 1 2 from `being' `drawn Linto, ithe Vfastener member. Heretofore, hollow rivets,

tacks and the like have been entered through preformed ,apertures in the`fastener. members and have ldrawnlthe material into` the fasten--ers... `'Ihis `results `in the material `being wrinkled and torn,thereby `providing an iin-4 perfect .attachmentl The thin y portionofLmy device does Aaway With the necessity for i eX- act-ialignmentasisnecessary with preformed aperture'd` devicesv and more important itacts-` inksuch; a manner that the thinjportion 6 strips the material2fromgthey sides of the shank of; the tack and leaves i ,the materialuntornandunwrinkled.;" i n y p,

While I have!` illustrated. `and described a preferred embodiment 11 ofmy invention `I do,

notvvish-,to` be limitedthereby, because the following claims.

luA fastener installation comprising, in combination, a separablefastener member,

scopeofmy "invention is best defined by the a fastener-carrying mediumand an attaching member, a carrying medium engaging metallic plateportion presented by said fastener member against one side of thecarrying medium, a sharp pointed shank eX` tending from said attachingmember through said carrying medium and said plate portion` and having.its pointed endupsetto secure the parts of the installation together,and said plate portion, before attachment, having a portion at thecenter only of substantially reduced thickness with respect Yto theremainder of the plate portion Where the sharp point pierces it tofacilitateassembly of the members of the installation and preventdistortion ofthe remainderofthe plate portion When the shank is piercingthe same.

2. A fastener'installation comprising, in

combination, a separable fastener member, a

fastener-carrying medium and an attaching member, aV carryingmedium-engaging plate portion presented by saidY fastener lmemberagainst one side ofthe carrying medium, a sharp pointed shank extendingfrom said attaching member throughsaid carrying medium and saidplateportion andhaving its pointed end lupsetto secure the parts of theinstallation together and said plate portion,

`before Y attachment, having a centrally located annular reinforcingmeans surrounding a portion to be` pierced by the sharp pointed shankand said portion to be pierced being of a thickness less than theremaining plate portion and vof decreasing thickness from thereinforcing means toward the center. Y' Y A, Y

3. A fastener installation comprising, in

combination, a separable fastener member, a fastener-carrying mediumandan attaching 40i member, a carrying medium engaging plate portionpresented by'said'fastener member against one side of thecarryingmedium, a sharp pointed shank extending from said attaching memberthrough said carrying medium and said plate portion and having itspointed end upset to' secure the parts of the installation together, andsaid plate portion, before attachment having a portioir'of substantiallyreduced thickness withV respect to the remainder of the plate portionWhere the sharp point pierces it to facilitate assembly of the membersof the installation and annular reinforcing rib means formed insaidplate portion and 'surrounding the thin portion thereof asubstantialldistance inwardly ofthe outer peripheryy of 'said plateportion for the purposes illustrated and'described.

In testimony whereof', I have signed my name to this specification.I

LESTER N. HAYDEN.

